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GB1543853A - Backrests - Google Patents

Backrests

Info

Publication number
GB1543853A
GB1543853A GB29991/77A GB2999177A GB1543853A GB 1543853 A GB1543853 A GB 1543853A GB 29991/77 A GB29991/77 A GB 29991/77A GB 2999177 A GB2999177 A GB 2999177A GB 1543853 A GB1543853 A GB 1543853A
Authority
GB
United Kingdom
Prior art keywords
backrests
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB29991/77A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to SE7604551A priority Critical patent/SE398293B/en
Application filed by Individual filed Critical Individual
Priority to GB29991/77A priority patent/GB1543853A/en
Priority to DE19772733744 priority patent/DE2733744A1/en
Priority to CA291,223A priority patent/CA1079622A/en
Priority to JP15369577A priority patent/JPS5489871A/en
Priority to US05/948,285 priority patent/US4350388A/en
Publication of GB1543853A publication Critical patent/GB1543853A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
    • A47C7/465—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means by pulling an elastic cable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
GB29991/77A 1976-04-21 1977-07-16 Backrests Expired GB1543853A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7604551A SE398293B (en) 1976-04-21 1976-04-21 IN ITS HOOK ADJUSTABLE BACKPILL
GB29991/77A GB1543853A (en) 1976-04-21 1977-07-16 Backrests
DE19772733744 DE2733744A1 (en) 1976-04-21 1977-07-27 Fixed or movable seat or bed backrest with adjustable curvature - has movable horizontal spacer between base plate and resilient support (SW 14.11.77)
CA291,223A CA1079622A (en) 1976-04-21 1977-11-18 Backrest
JP15369577A JPS5489871A (en) 1976-04-21 1977-12-22 Back rest with adjustable curved surface
US05/948,285 US4350388A (en) 1976-04-21 1978-10-03 Backrests

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
SE7604551A SE398293B (en) 1976-04-21 1976-04-21 IN ITS HOOK ADJUSTABLE BACKPILL
GB29991/77A GB1543853A (en) 1976-04-21 1977-07-16 Backrests
DE19772733744 DE2733744A1 (en) 1976-04-21 1977-07-27 Fixed or movable seat or bed backrest with adjustable curvature - has movable horizontal spacer between base plate and resilient support (SW 14.11.77)
CA291,223A CA1079622A (en) 1976-04-21 1977-11-18 Backrest
JP15369577A JPS5489871A (en) 1976-04-21 1977-12-22 Back rest with adjustable curved surface
SE7805844 1978-05-23

Publications (1)

Publication Number Publication Date
GB1543853A true GB1543853A (en) 1979-04-11

Family

ID=41816116

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29991/77A Expired GB1543853A (en) 1976-04-21 1977-07-16 Backrests

Country Status (6)

Country Link
US (1) US4350388A (en)
JP (1) JPS5489871A (en)
CA (1) CA1079622A (en)
DE (1) DE2733744A1 (en)
GB (1) GB1543853A (en)
SE (1) SE398293B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2280105A (en) * 1993-07-23 1995-01-25 Metal Limited Fab Du Back support
GB2388317A (en) * 2002-05-03 2003-11-12 Jcm Seating Solutions Ltd Supportive seat element with adjustable support members
WO2006010552A1 (en) * 2004-07-22 2006-02-02 Bock 1 Gmbh & Co. Kg Seat, in particular an office chair

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT358767B (en) * 1978-06-23 1980-09-25 Schuster Wilhelm BENDABLE ELASTIC SUPPORT
US4380352A (en) * 1979-06-11 1983-04-19 Knoll International, Inc. Reclining chair
JPS5663355U (en) * 1979-10-16 1981-05-28
US4502728A (en) * 1982-10-08 1985-03-05 Nepsco, Inc. Portable seat and back rest
US4541670A (en) * 1983-08-15 1985-09-17 Robin Morgenstern Lumbosacral backrest with adjustable contour
US4634178A (en) * 1984-12-10 1987-01-06 Carney Steven H Adaptable seating device
US4925242A (en) * 1989-09-01 1990-05-15 Scott Orthotic Labs, Inc. Adjustable lumbar back support system for a wheelchair
CA2054992C (en) * 1991-11-05 1997-01-14 Mary Shields Posture board
US5567010A (en) * 1994-08-29 1996-10-22 Bostrom Seating, Inc. Adjustable lumbar support
DE29619129U1 (en) * 1996-11-05 1997-01-02 Bort GmbH, 71384 Weinstadt Back cushion with a dimensionally stable support plate
US5826937A (en) * 1997-01-23 1998-10-27 Lear Corporation Pneumatic energy absorbing seat assembly
US5884968A (en) * 1997-01-23 1999-03-23 Lear Corporation Seat assembly with pneumatically adjustable contour and energy absorption
US6099075A (en) * 1997-12-19 2000-08-08 Convaid Products, Inc. Seating arrangement
US6378942B1 (en) * 2000-06-20 2002-04-30 Global Total Office Backrest with adjustable lumbar support
WO2002028229A1 (en) 2000-10-04 2002-04-11 Northpole, Ltd. Two-position collapsible recliner
US7249802B2 (en) 2002-02-13 2007-07-31 Herman Miller, Inc. Back support structure
FR2869000B1 (en) * 2004-04-14 2008-08-22 Renault Sas SEAT, IN PARTICULAR FOR MOTOR VEHICLE
WO2005110159A1 (en) * 2004-05-17 2005-11-24 Neno Dodoja Ergonomic back support
WO2007092822A2 (en) * 2006-02-03 2007-08-16 Sava Cvek Post-assembly tension adjustment in elastomeric material applications
US7857388B2 (en) 2007-06-01 2010-12-28 Steelcase Inc. Seating unit with adjustable lumbar device
TWM355061U (en) * 2008-06-12 2009-04-21 Huang-Chang Liu Structure of backrest cushion
USD650206S1 (en) 2010-04-13 2011-12-13 Herman Miller, Inc. Chair
USD657166S1 (en) 2010-04-13 2012-04-10 Herman Miller, Inc. Chair
US8449037B2 (en) 2010-04-13 2013-05-28 Herman Miller, Inc. Seating structure with a contoured flexible backrest
USD637423S1 (en) 2010-04-13 2011-05-10 Herman Miller, Inc. Chair
USD639091S1 (en) 2010-04-13 2011-06-07 Herman Miller, Inc. Backrest
USD653061S1 (en) 2010-04-13 2012-01-31 Herman Miller, Inc. Chair
USD652657S1 (en) 2010-04-13 2012-01-24 Herman Miller, Inc. Chair
US8459737B2 (en) * 2010-06-08 2013-06-11 Brenda Brotsch Spinal supporting chair attachment
DE102011107927B4 (en) * 2011-07-19 2015-02-12 Grammer Aktiengesellschaft Vehicle seat with backrest deformation
US9265681B1 (en) 2011-10-10 2016-02-23 Deborah L. Bell Apparatus and method for facilitating or enhancing a person's breathing
US9357849B2 (en) * 2013-10-10 2016-06-07 James E. Grove Dynamic lumbar support for a chair
DE102014118061A1 (en) * 2014-09-22 2016-03-24 Grammer Ag Vehicle seat with strip-like element in the backrest
NO343283B1 (en) 2017-06-06 2019-01-14 Knut Einar Kopperud Back rest to be used with seat or chair
JP2023122112A (en) * 2022-02-22 2023-09-01 株式会社タチエス Seat for vehicle

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2118323A (en) * 1936-05-06 1938-05-24 William B Terry Traveling handbag or case
GB762304A (en) * 1954-04-02 1956-11-28 George Mellor Tickler Improved chair
US2756809A (en) * 1954-06-30 1956-07-31 Endresen Ernst Back support for chairs, car seats, and the like
US2843195A (en) * 1956-01-25 1958-07-15 Alvar E A Barvaeus Self-adjusting back support
US2894565A (en) * 1957-05-17 1959-07-14 Hubert R Crane Contouring back rest for motor vehicle seats
DE1121944B (en) * 1958-09-26 1962-01-11 Johann Schwarz Backrest, especially for motor vehicle seats
DE1836926U (en) * 1960-11-21 1961-08-31 Johann Schwarz BACKREST WITH AN ADJUSTABLE MOLDED PART.
US3464754A (en) * 1967-01-17 1969-09-02 Rex Stroll O Chair Co Orthopedic chair
DE6808545U (en) * 1968-02-23 1969-07-03 Emilio Berchicci SUPPORT DEVICE FOR THE SPINAL COLUMN FOR BACKRESTS
US3663055A (en) * 1970-07-10 1972-05-16 Monsanto Co Chair with adjustable seating portions
DE2064419C3 (en) * 1970-12-30 1979-08-30 Recaro Gmbh & Co, 7000 Stuttgart Backrests for automobile seats
US3990742A (en) * 1975-07-03 1976-11-09 Glass Katalina T Adjustable spinal contour seating

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2280105A (en) * 1993-07-23 1995-01-25 Metal Limited Fab Du Back support
GB2388317A (en) * 2002-05-03 2003-11-12 Jcm Seating Solutions Ltd Supportive seat element with adjustable support members
WO2006010552A1 (en) * 2004-07-22 2006-02-02 Bock 1 Gmbh & Co. Kg Seat, in particular an office chair

Also Published As

Publication number Publication date
SE398293B (en) 1977-12-19
DE2733744C2 (en) 1988-08-11
JPS5489871A (en) 1979-07-17
SE7604551L (en) 1977-10-22
CA1079622A (en) 1980-06-17
DE2733744A1 (en) 1979-02-15
US4350388A (en) 1982-09-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19970715